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<font color='#009900'>// Copyright (C) 2009  Davis E. King (davis@dlib.net)
</font><font color='#009900'>// License: Boost Software License   See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_DIR_NAV_EXTENSIONs_CPP_
<font color='#0000FF'>#define</font> DLIB_DIR_NAV_EXTENSIONs_CPP_

<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='dir_nav_extensions.h.html'>dir_nav_extensions.h</a>"

<font color='#0000FF'>namespace</font> dlib
<b>{</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'>namespace</font> implementation_details
    <b>{</b>
        <font color='#0000FF'><u>void</u></font> <b><a name='get_all_sub_dirs'></a>get_all_sub_dirs</b> <font face='Lucida Console'>(</font>
            <font color='#0000FF'>const</font> directory<font color='#5555FF'>&amp;</font> top_of_tree,
            <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> max_depth,
            std::vector<font color='#5555FF'>&lt;</font>directory<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> result,
            std::vector<font color='#5555FF'>&lt;</font>directory<font color='#5555FF'>&gt;</font><font color='#5555FF'>&amp;</font> temp
        <font face='Lucida Console'>)</font>
        <b>{</b>
            <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>max_depth <font color='#5555FF'>&gt;</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
            <b>{</b>
                top_of_tree.<font color='#BB00BB'>get_dirs</font><font face='Lucida Console'>(</font>temp<font face='Lucida Console'>)</font>;
                <font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> start <font color='#5555FF'>=</font> result.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
                result.<font color='#BB00BB'>insert</font><font face='Lucida Console'>(</font>result.<font color='#BB00BB'>end</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, temp.<font color='#BB00BB'>begin</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, temp.<font color='#BB00BB'>end</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
                <font color='#0000FF'>const</font> <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> end <font color='#5555FF'>=</font> start <font color='#5555FF'>+</font> temp.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;

                <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>long</u></font> i <font color='#5555FF'>=</font> start; i <font color='#5555FF'>&lt;</font> end; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font>
                <b>{</b>
                    <font color='#BB00BB'>get_all_sub_dirs</font><font face='Lucida Console'>(</font>result[i], max_depth<font color='#5555FF'>-</font><font color='#979000'>1</font>, result, temp<font face='Lucida Console'>)</font>;
                <b>}</b>
            <b>}</b>
        <b>}</b>
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    <font color='#0000FF'><u>bool</u></font> <b><a name='file_exists'></a>file_exists</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> std::string<font color='#5555FF'>&amp;</font> filename
    <font face='Lucida Console'>)</font>
    <b>{</b>
        <font color='#0000FF'>try</font>
        <b>{</b>
            dlib::file <font color='#BB00BB'>temp</font><font face='Lucida Console'>(</font>filename<font face='Lucida Console'>)</font>;
            <font color='#0000FF'>return</font> <font color='#979000'>true</font>;
        <b>}</b>
        <font color='#0000FF'>catch</font> <font face='Lucida Console'>(</font>file::file_not_found<font color='#5555FF'>&amp;</font><font face='Lucida Console'>)</font>
        <b>{</b>
            <font color='#0000FF'>return</font> <font color='#979000'>false</font>;
        <b>}</b>
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    directory <b><a name='get_parent_directory'></a>get_parent_directory</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> directory<font color='#5555FF'>&amp;</font> dir
    <font face='Lucida Console'>)</font>
    <b>{</b>
        <font color='#0000FF'>return</font> dir.<font color='#BB00BB'>get_parent</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
    directory <b><a name='get_parent_directory'></a>get_parent_directory</b> <font face='Lucida Console'>(</font>
        <font color='#0000FF'>const</font> file<font color='#5555FF'>&amp;</font> f
    <font face='Lucida Console'>)</font>
    <b>{</b>
        <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>f.<font color='#BB00BB'>full_name</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.<font color='#BB00BB'>size</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>
            <font color='#0000FF'>return</font> <font color='#BB00BB'>directory</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;

        std::string::size_type pos <font color='#5555FF'>=</font> f.<font color='#BB00BB'>full_name</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.<font color='#BB00BB'>find_last_of</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>\\/</font>"<font face='Lucida Console'>)</font>;
        
        <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>pos <font color='#5555FF'>=</font><font color='#5555FF'>=</font> std::string::npos<font face='Lucida Console'>)</font>
            <font color='#0000FF'>return</font> <font color='#BB00BB'>directory</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>;

        <font color='#0000FF'>return</font> <font color='#BB00BB'>directory</font><font face='Lucida Console'>(</font>f.<font color='#BB00BB'>full_name</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>.<font color='#BB00BB'>substr</font><font face='Lucida Console'>(</font><font color='#979000'>0</font>,pos<font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<b>}</b>

<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_DIR_NAV_EXTENSIONs_CPP_
</font>



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